Plant powder adsorbent recovery system

Abstract

The utility model provides a plant powder adsorbent recovery system, which belongs to the technical field of recovery processing systems and comprises a pretreatment module, a humus forming module, a product recovery module, a humus recovery module and a heavy metal recovery module. The humus forming module is used for recycling heavy metal in the solution, the organic fertilizer module is used for preparing organic fertilizer from filter residues, and the pretreatment module is in signal connection with the humus forming module. Heavy metal is efficiently extracted from plant powder, the recycling rate of resources is increased, resource waste is reduced, environment friendliness is achieved, by reasonably treating metal and remaining substances in the adsorbed powder, secondary pollution is avoided, harm to the environment is reduced, the adsorbed powder which is originally difficult to treat is converted into valuable metal and fertilizer, and the method is suitable for industrial production. The resource utilization of wastes is realized, and remarkable economic benefits and environmental benefits are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of recovery treatment system, and specifically relates to a plant powder adsorbent recovery system. BACKGROUND

[0002] The development of mining, smelting and chemical industries has led to the discharge of a large amount of heavy metal ions and organic pollutants, which, after entering water bodies, can pose a serious threat to aquatic organisms and human health. For example, heavy metal ions such as lead, mercury and cadmium are bioaccumulative and toxic, can accumulate in the body, and can be transmitted through the food chain, ultimately endangering human health. The use of a large amount of chemical fertilizers in agriculture also leads to water pollution. Nutrients such as nitrogen and phosphorus in chemical fertilizers are washed into water bodies during rainfall or irrigation, causing water eutrophication, leading to the proliferation of algae and deterioration of water quality.

[0003] However, the disposal of the adsorbed powder has become a problem to be solved. At present, there is a lack of effective comprehensive treatment method for the extraction of metals from the plant powder after adsorption and the reuse of the remaining substances, often leading to resource waste and secondary pollution. Therefore, it is of great practical significance to develop a plant powder adsorbent recovery process. SUMMARY

[0004] The utility model aims at providing a plant powder adsorbent recovery system, which aims to solve the problems raised in the background art.

[0005] A plant powder adsorbent recovery system, comprising,

[0006] A pretreatment module for processing raw materials;

[0007] A humus formation module for controlling and managing humus formation;

[0008] A product recovery module for recovering humus;

[0009] A heavy metal recovery module for recovering heavy metals from the solution;

[0010] An organic fertilizer module for preparing filter residue into organic fertilizer;

[0011] The pre-treatment module is signal-connected with the humus formation module, the pre-treatment module comprises a powder collection module, an ultraviolet sterilization module, a temperature control baking module and a crushing module, the powder collection module is signal-connected with the ultraviolet sterilization module, the ultraviolet sterilization module is signal-connected with the temperature control baking module, the temperature control baking module is signal-connected with the crushing module, the humus formation module comprises a decomposition module, a humification module and a maturation module, the maturation module is signal-connected with a product recovery module, and the recovery heavy metal module and the organic fertilizer module are both signal-connected with the product recovery module.

[0012] Further, the powder collection module completes the crushing of raw materials through a high-speed centrifuge, the ultraviolet sterilization module completes sterilization through an ultraviolet sterilization lamp tube, the temperature control baking module completes drying through an electric heating air constant temperature drying box, and the crushing module completes re-crushing through an ultramicro grinder.

[0013] Further, the ultraviolet sterilization module removes 99% of bacteria from raw material powder obtained by the powder collection module under the action of solar radiation and the ultraviolet sterilization lamp tube, and the temperature control baking module removes 99% of water from raw material powder obtained by the ultraviolet sterilization module under strict temperature control of the electric heating air constant temperature drying box.

[0014] Further, the decomposition module comprises a decomposition pool module and a microbial activity pool module, the humification module comprises a chemical conversion pool module, the maturation module comprises a physical adsorption pool module and a stabilization pool module, and the product recovery module comprises an acid leaching reaction pool module, a heavy metal recovery pool module and an organic fertilizer formation pool module.

[0015] Further, the crushing module further crushes raw material powder obtained by the temperature control baking module, so that the particle size is ensured to be less than or equal to 5 mm.

[0016] Further, the acid liquid of the acid leaching reaction pool module is sodium sulfate and hydrochloric acid, the ratio is 1:8-10, the reaction temperature is 70-80 DEG C, the stirring speed is 1500-2000 revolutions / minute, the reaction time is 3-5 hours, the acid leaching liquid produced by the acid leaching reaction pool module enters the recovery heavy metal module, and the residue of the acid leaching reaction pool module enters the organic fertilizer module.

[0017] Compared with the prior art, the pre-treatment module has the advantages that:

[0018] The heavy metal is efficiently extracted from the plant powder, the resource recycling rate is improved, the resource waste is reduced, and the environment is friendly: by reasonably processing the metal and the remaining substances in the powder after adsorption, secondary pollution is avoided, the harm to the environment is reduced, the powder after adsorption which is difficult to process is converted into valuable metal and fertilizer, the resource utilization of waste is realized, and significant economic benefits and environmental benefits are obtained. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0020] Figure 1 It is a general system diagram of the present application;

[0021] Figure 2 It is a schematic diagram of the humification module of the present application;

[0022] Figure 3 It is a schematic diagram of the maturation module of the present application;

[0023] Figure 4 It is a schematic diagram of the product recovery module of the present application.

[0024] In the drawings: 1, pretreatment module; 2, powder collection module; 3, ultraviolet sterilization module; 4, temperature control baking module; 5, crushing module; 6, humus formation module; 7, decomposition module; 8, humification module; 9, maturation module; 10, product recovery module; 11, heavy metal recovery module; 12, organic fertilizer module. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it is explained that, unless otherwise specified and limited, the terms "installation", "provided with", "sleeve / connected", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements inside.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0028] Please refer to Figures 1-4 The technical scheme provided by the embodiment is as follows:

[0029] A plant powder adsorbent recovery system comprises,

[0030] The pretreatment module 1 is used for processing and treating raw materials.

[0031] The humus formation module 6 is used for controlling and managing humus formation.

[0032] The product recovery module 10 is used for recovering humus.

[0033] The heavy metal recovery module 11 is used for recovering heavy metals from the solution.

[0034] The organic fertilizer module 12 is used for preparing filter residue into organic fertilizer.

[0035] The pretreatment module 1 is signal-connected with the humus formation module 6, the pretreatment module 1 comprises a powder collection module 2, an ultraviolet sterilization module 3, a temperature control baking module 4 and a pulverization module 5, the powder collection module 2 is signal-connected with the ultraviolet sterilization module 3, the ultraviolet sterilization module 3 is signal-connected with the temperature control baking module 4, the temperature control baking module 4 is signal-connected with the pulverization module 5, the humus formation module 6 comprises a decomposition module 7, a humification module 8 and a maturation module 9, the maturation module 9 is signal-connected with the product recovery module 10, and the heavy metal recovery module 11 and the organic fertilizer module 12 are both signal-connected with the product recovery module 10.

[0036] In the embodiment of the utility model, the ultraviolet sterilization lamp tube of the ultraviolet sterilization module 3 is connected with the high-speed centrifuge of the powder collection module 2, the electric heating blast constant temperature drying oven of the temperature control baking module 4 is connected with the ultraviolet sterilization lamp tube of the ultraviolet sterilization module 3, the supermicro pulverizer of the pulverization module 5 is connected with the electric heating blast constant temperature drying oven of the temperature control baking module 4, the humus formation module 6 comprises decomposition module 7, humification module 8, mature module 9, the decomposition module 7 is equipped with decomposition pool module and microbial activity pool module, the decomposition pool module is equipped with on-line monitoring probe for monitoring p value, temperature value and dissolved oxygen content in biological reaction pool module, the decomposition module 7 is connected with the supermicro pulverizer of the pulverization module 5, the humification module 8 is equipped with chemical conversion pool module, the humification module 8 is connected with the decomposition module 7, the mature module 9 is equipped with physical adsorption pool module and stabilization pool module, the mature module 9 is connected with the humification module 8, the product recovery module 10 is equipped with acid leaching reaction pool module, heavy metal recovery pool module and organic fertilizer formation pool module, comprising recovery heavy metal module 11, obtain organic fertilizer module 12, the product recovery module 10 is connected with the mature module 9, the pretreatment module 1 sends the plant powder adsorbent after collection, sterilization, drying and pulverization treatment to the humus formation module 6, the product recovery module 10 further processes the humus formed by the humus formation module 6, recovers heavy metal and obtains organic fertilizer.

[0037] Specifically, the powder collection module 2 completes the pulverization of raw materials through the high-speed centrifuge, the ultraviolet sterilization module 3 completes sterilization through the ultraviolet sterilization lamp tube, the temperature control baking module 4 completes drying through the electric heating blast constant temperature drying oven, and the pulverization module 5 completes re-pulverization through the supermicro pulverizer.

[0038] In the embodiment of the utility model, the pulverization module 5 completes re-pulverization through the supermicro pulverizer, which can ensure the granularity of the powder.

[0039] Specifically, the ultraviolet sterilization module 3 removes 99% of bacteria from the raw material powder obtained by the powder collection module 2 under the action of solar radiation and the ultraviolet sterilization lamp tube, and the temperature control baking module 4 completely dries the raw material powder obtained by the ultraviolet sterilization module 3 under strict temperature control and temperature control in the electric heating blast constant temperature drying oven, removing 99% of the moisture.

[0040] In the embodiment of the utility model, the ultraviolet sterilization module 3 can ensure the cleanliness of the raw materials.

[0041] Specifically, the decomposition module 7 comprises a decomposition pool module and a microbial activity pool module, the humification module 8 comprises a chemical conversion pool module, the mature module 9 comprises a physical adsorption pool module and a stabilization pool module, and the product recovery module 10 comprises an acid leaching reaction pool module, a heavy metal recovery pool module and an organic fertilizer formation pool module.

[0042] In the embodiment of the utility model, humus formation module 6 includes decomposition module 7, humification module 8, mature module 9, decomposition module 7 is equipped with decomposition pool module and microbial activity pool module, and decomposition pool module is divided into aerobic decomposition pool module and anaerobic decomposition pool module, and online monitoring probe is used for monitoring p value, temperature value and dissolved oxygen content in biological reaction pool module, in aerobic decomposition pool module, aerobic microorganisms such as bacteria and fungi are active, and they decompose macromolecular organic matter into small molecules, part is used for self growth and reproduction, and part is converted into carbon dioxide, water and inorganic salt, in anaerobic decomposition pool module, anaerobic microorganisms ferment complex organic matter into organic acid, alcohol, and then into methane, carbon dioxide and the like, in microbial activity pool module, microorganisms further decompose the organic matter that is not completely decomposed in decomposition pool module, humification module 8 is equipped with chemical conversion pool module, and small molecular organic matter generated by decomposition module 7 occurs polymerization under the action of microorganisms, phenols form quinones through oxidation, and then polymerize with amino acids or peptides to form humus precursors. These precursors further occur condensation reaction to form humus with complex structure and relative stability, mature module 9 is equipped with physical adsorption pool module and stabilization pool module, in physical adsorption pool module, humus precursors are adsorbed on the surface of soil particles (such as clay), and further polymerization and stabilization occur, in stabilization pool module, humus is combined with soil particles, and the interaction of microorganisms and the like enhances the stability of humus, and soil organic matter is formed, and is delivered to product recovery module 10.

[0043] Specifically, the crushing module 5 further crushes the raw material powder obtained from the temperature control roasting module 4 to ensure that the particle size is less than or equal to 5 mm.

[0044] In the embodiment of the utility model, the low particle size of the raw material powder improves the surface area and the reaction rate.

[0045] Specifically, the acid solution of the acid leaching reaction pool module is sodium sulfate and hydrochloric acid, the ratio is 1:8-10, the reaction temperature is 70-80 DEG C, the stirring speed is 1500-2000 revolutions / minute, and the reaction time is 3-5 hours, the acid leaching liquid produced by the acid leaching reaction pool module enters the heavy metal recovery module 11, and the residue of the acid leaching reaction pool module enters the organic fertilizer module 12.

[0046] In the embodiment of the utility model, the separation and enrichment process of the heavy metal recovery module 11 adopts the separation method of filtration and centrifugation, the enrichment method is ion exchange resin and extractant, the metal recovery method is electrolysis and precipitation, the nutrient elements added when the organic fertilizer module 12 produces organic fertilizer include nitrogen, phosphorus and potassium, the additives include microbial agents and humic acid, the preparation process of the fertilizer includes granulation and film coating, and the prepared fertilizer is slow-release fertilizer and organic fertilizer.

[0047] Working principle:

[0048] First, the raw materials are crushed by a high-speed centrifugal machine. This step is mainly to crush the raw materials preliminarily, so that the subsequent modules can better process them. The crushed raw material powder is transported to the ultraviolet sterilization module 3, where it is sterilized using solar radiation and ultraviolet sterilization lamps. During this process, 99% of the bacteria are removed, further reducing the impurity and microbial content of the raw materials and ensuring the cleanliness of the raw materials. After ultraviolet sterilization, the raw material powder enters the temperature-controlled baking module 4, which uses an electric heating air constant temperature drying oven to dry the raw material powder under strict temperature and time control. This step can remove 99% of the water in the raw material powder, bringing it to the appropriate dryness level, which is conducive to subsequent crushing and reaction processes. The dried raw material powder is sent to the crushing module 5, where it is crushed again using a supermicro crusher to ensure that the particle size of the powder is ≤5mm. Smaller particle size increases the surface area of the raw material, improving its activity and reaction rate in subsequent reactions. The pretreated plant-based powder adsorbent is sent to the decomposition module 7, which includes a decomposition tank module and a microbial activity tank module. The decomposition tank module is divided into an aerobic decomposition tank module and an anaerobic decomposition tank module. An online monitoring probe monitors the pH, temperature, and dissolved oxygen in the biological reaction tank module in real time. In the aerobic decomposition tank module, aerobic microorganisms such as bacteria and fungi are active, breaking down large organic molecules into small organic molecules. Some of these small organic molecules are used for the growth and reproduction of microorganisms, while others are converted into carbon dioxide, water, and inorganic salts. In the anaerobic decomposition tank module, anaerobic microorganisms ferment complex organic matter into simple organic matter such as organic acids and alcohols. These simple organic compounds are further converted into gases such as methane and carbon dioxide. The microbial activity tank module is used to further decompose organic matter that has not been completely decomposed in the decomposition tank module, ensuring that the organic matter is fully decomposed. The small organic molecules produced by the decomposition module 7 are transported to the humification module 8, which is equipped with a chemical conversion tank module. Under the action of microorganisms, small organic molecules undergo polymerization reactions. Phenolic substances are oxidized to form quinones, which then polymerize with amino acids or peptides to form humic precursors. These humic precursors undergo condensation reactions to form complex and relatively stable humus. The humified humic precursors enter the maturation module 9, which is equipped with a physical adsorption tank module and a stabilization tank module. In the physical adsorption tank module, humic precursors are adsorbed onto the surface of soil particles such as clay particles, further undergoing polymerization and stabilization reactions. In the stabilization tank module, humus combines with soil particles and interacts with microorganisms, enhancing its stability and ultimately forming soil organic matter. The mature humus is transported to the product recovery module 10, which is equipped with an acid leaching reaction tank module, a heavy metal recovery tank module, and an organic fertilizer formation tank module. In the acid leaching reaction tank module, sodium sulfate and hydrochloric acid (ratio 1:8-10) are used as acid solutions, and the reaction temperature is controlled at 70-80°C.The stirring speed is 1500-2000 revolutions per minute, the reaction time is 3-5 hours, the heavy metal recovery tank module and the organic fertilizer forming tank module collect the filter residue and the solution produced by the acid leaching reaction tank module respectively, the acid leaching liquid produced by the acid leaching reaction tank module enters the heavy metal recovery module 11, and the residue of the acid leaching reaction tank module enters the organic fertilizer module 12, the heavy metal recovery module 11 separates and enriches the acid leaching liquid, the separation method adopts filtration, centrifugation and the like, the enrichment method adopts ion exchange resin, extractant and the like, the heavy metals after separation and enrichment are recovered by electrolysis, precipitation and the like metal recovery method, so that the heavy metals in the solution are effectively recovered, the organic fertilizer module 12 prepares the filter residue produced by the acid leaching reaction tank module into organic fertilizer, when producing the organic fertilizer, nitrogen, phosphorus, potassium and the like nutrient elements, microbial inoculants, humic acid and the like additives are added, the preparation process of the fertilizer includes granulation, film coating and the like, finally different types of fertilizers such as slow-release fertilizer, organic fertilizer and the like are prepared, according to different requirements, the optimal proportioning fertilizer can be formed, the practical value is greatly increased, the whole plant powder adsorbent recovery system realizes effective recovery and utilization of the plant powder adsorbent through the close cooperation of each module, not only the heavy metals can be recovered, but also the organic fertilizer can be produced, and the economic and environmental values are high.

[0049] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A plant-based powder adsorbent recovery system, comprising: The utility model relates to a humus production system, comprising, a pretreatment module (1) for processing raw materials; a humus formation module (6) for controlling and managing humus formation; a product recovery module (10) for recovering humus; a heavy metal recovery module (11) for recovering heavy metals from the solution; an organic fertilizer module (12) for preparing filter residue into organic fertilizer; the pretreatment module (1) is signal connected with the humus formation module (6), the pretreatment module (1) includes a powder collection module (2), an ultraviolet sterilization module (3), a temperature control baking module (4) and a crushing module (5), the powder collection module (2) is signal connected with the ultraviolet sterilization module (3), the ultraviolet sterilization module (3) is signal connected with the temperature control baking module (4), the temperature control baking module (4) is signal connected with the crushing module (5), the humus formation module (6) includes a decomposition module (7), a humification module (8) and a maturation module (9), the maturation module (9) is signal connected with the product recovery module (10), the heavy metal recovery module (11) and the organic fertilizer module (12) are all signal connected with the product recovery module (10).

2. A plant-based powder adsorbent recovery system according to claim 1, wherein, The powder collection module (2) completes the crushing of raw materials by a high-speed centrifuge, the ultraviolet sterilization module (3) completes sterilization by an ultraviolet sterilization lamp, the temperature control baking module (4) completes drying by an electric heating air constant temperature drying box, and the crushing module (5) completes further crushing by a supermicro pulverizer.

3. A plant-based powder adsorbent recovery system according to claim 2, wherein, The ultraviolet sterilization module (3) removes 99% of bacteria from the raw material powder obtained by the powder collection module (2) under the action of solar radiation and an ultraviolet sterilization lamp, and the temperature control baking module (4) removes 99% of water from the raw material powder obtained by the ultraviolet sterilization module (3) by comprehensive drying under strict time and temperature control in an electric heating air constant temperature drying box.

4. A plant-based powder adsorbent recovery system according to claim 3, wherein The decomposition module (7) includes a decomposition pool module and a microbial activity pool module, the humification module (8) includes a chemical conversion pool module, the maturation module (9) includes a physical adsorption pool module and a stabilization pool module, and the product recovery module (10) includes an acid leaching reaction pool module, a heavy metal recovery pool module and an organic fertilizer formation pool module.

5. A plant-based powder adsorbent recovery system according to claim 4, wherein The crushing module (5) further crushes the raw material powder obtained by the temperature control baking module (4) to ensure that the particle size is less than or equal to 5 mm.

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